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Posted to commits@lucene.apache.org by bu...@apache.org on 2013/01/22 19:25:24 UTC
svn commit: r847569 - in /websites/staging/lucene/trunk/content: ./
core/corenews.html
Author: buildbot
Date: Tue Jan 22 18:25:24 2013
New Revision: 847569
Log:
Staging update by buildbot for lucene
Modified:
websites/staging/lucene/trunk/content/ (props changed)
websites/staging/lucene/trunk/content/core/corenews.html
Propchange: websites/staging/lucene/trunk/content/
------------------------------------------------------------------------------
--- cms:source-revision (original)
+++ cms:source-revision Tue Jan 22 18:25:24 2013
@@ -1 +1 @@
-1436812
+1437080
Modified: websites/staging/lucene/trunk/content/core/corenews.html
==============================================================================
--- websites/staging/lucene/trunk/content/core/corenews.html (original)
+++ websites/staging/lucene/trunk/content/core/corenews.html Tue Jan 22 18:25:24 2013
@@ -224,6 +224,24 @@ release for a full list of details.</p>
<h3 id="lucene-41-release-highlights">Lucene 4.1 Release Highlights:</h3>
<ul>
<li>
+<p>Lucene 4.1 has a new default codec (Lucene41Codec) based on the
+ previously-experimental "Block" indexing format for improved
+ performance, but also incorporating the functionality of "Appending"
+ and "Pulsing".</p>
+</li>
+<li>
+<p>The default codec incorporates the optimization of Pulsing: terms
+ that appear in only one document (such as primary key/id fields) just
+ store the document id in the term dictionary instead of a pointer to
+ this document id in a separate file.</p>
+</li>
+<li>
+<p>The default codec incorporates an efficient compressed stored fields
+ implementation that compresses chunks of documents together with LZ4.
+ (see
+ <a href="http://blog.jpountz.net/post/33247161884/efficient-compressed-stored-fields-with-lucene">http://blog.jpountz.net/post/33247161884/efficient-compressed-stored-fields-with-lucene</a>)</p>
+</li>
+<li>
<p>Lucene no longer seeks when writing files (all fields are written in
an append-only way). This means it works by default with append-only
streams, hdfs, etc.</p>